I'm seeing roughly the same issue on my laptop:
When I plugin my USB external hard drive, it will not be auto-mounted.
Symptoms:
1) `dmesg | tail -f` shows the following:
[ 842.812160] usb 7-1: new high speed USB device using ehci_hcd and address 4
[ 848.456765] usb 7-1: configuration #1 chosen from 1 choice
[ 850.653563] usbcore: registered new interface driver libusual
[ 850.672553] Initializing USB Mass Storage driver...
[ 850.680658] scsi5 : SCSI emulation for USB Mass Storage devices
[ 850.691951] usb-storage: device found at 4
[ 850.691958] usb-storage: waiting for device to settle before scanning
[ 850.691983] usbcore: registered new interface driver usb-storage
[ 850.691988] USB Mass Storage support registered.
[ 855.688459] usb-storage: device scan complete
[ 861.300103] usb 7-1: reset high speed USB device using ehci_hcd and address 4
2) lsusb shows the following:
Bus 007 Device 004: ID 058f:6390 Alcor Micro Corp. USB 2.0-IDE bridge
Bus 007 Device 001: ID 1d6b:0002 Linux Foundation 2.0 root hub
Bus 003 Device 001: ID 1d6b:0002 Linux Foundation 2.0 root hub
Bus 006 Device 002: ID 03f0:171d Hewlett-Packard Wireless (Bluetooth + WLAN)
Interface [Integrated Module]
Bus 006 Device 001: ID 1d6b:0001 Linux Foundation 1.1 root hub
Bus 005 Device 002: ID 1532:0003 Razer USA, Ltd Krait Mouse
Bus 005 Device 001: ID 1d6b:0001 Linux Foundation 1.1 root hub
Bus 004 Device 001: ID 1d6b:0001 Linux Foundation 1.1 root hub
Bus 002 Device 001: ID 1d6b:0001 Linux Foundation 1.1 root hub
Bus 001 Device 001: ID 1d6b:0001 Linux Foundation 1.1 root hub
3) I have only 1 drive in my laptop so I expect any new drives to be at
/dev/sdb. But `sudo fdisk /dev/sdb` gives the following:
[EMAIL PROTECTED]:~]$ sudo fdisk /dev/sdb
(11-09 13:57)
[sudo] password for wongcs:
Unable to open /dev/sdb
I have 3 USB external hard drives (those casings where you cram in a
hard drive; 2 IDE + 1 SATA) and none of them are mountable. However, I
have a USB multi-card reader with a CF card plugged in and another
Kingston USB thumbdrive which are mounted with no issues.
As a matter of comparison, the following is noted when I plug in the thumbdrive:
1) sudo tail -f /var/log/mesages (equivalent to `dmesg | tail -f`)
Nov 9 14:01:53 phrenic kernel: [ 1156.497634] scsi 6:0:0:0: Direct-Access
Kingston DataTraveler 2.0 PMAP PQ: 0 ANSI: 0 CCS
Nov 9 14:01:54 phrenic kernel: [ 1157.403983] sd 6:0:0:0: [sdb] 8060928
512-byte hardware sectors (4127 MB)
Nov 9 14:01:54 phrenic kernel: [ 1157.404658] sd 6:0:0:0: [sdb] Write Protect
is off
Nov 9 14:01:54 phrenic kernel: [ 1157.407569] sd 6:0:0:0: [sdb] 8060928
512-byte hardware sectors (4127 MB)
Nov 9 14:01:54 phrenic kernel: [ 1157.408079] sd 6:0:0:0: [sdb] Write Protect
is off
Nov 9 14:01:54 phrenic kernel: [ 1157.408100] sdb: sdb1
Nov 9 14:01:54 phrenic kernel: [ 1157.409030] sd 6:0:0:0: [sdb] Attached SCSI
removable disk
Nov 9 14:01:54 phrenic kernel: [ 1157.409217] sd 6:0:0:0: Attached scsi
generic sg2 type 0
2) lsusb
[EMAIL PROTECTED]:~]$ lsusb
(11-09 13:59)
Bus 007 Device 005: ID 13fe:1d00 Kingston Technology Company Inc. DataTraveler
2.0 1GB/4GB Flash Drive / Patriot Xporter 4GB Flash Drive
Bus 007 Device 001: ID 1d6b:0002 Linux Foundation 2.0 root hub
Bus 003 Device 001: ID 1d6b:0002 Linux Foundation 2.0 root hub
Bus 006 Device 002: ID 03f0:171d Hewlett-Packard Wireless (Bluetooth + WLAN)
Interface [Integrated Module]
Bus 006 Device 001: ID 1d6b:0001 Linux Foundation 1.1 root hub
Bus 005 Device 002: ID 1532:0003 Razer USA, Ltd Krait Mouse
Bus 005 Device 001: ID 1d6b:0001 Linux Foundation 1.1 root hub
Bus 004 Device 001: ID 1d6b:0001 Linux Foundation 1.1 root hub
Bus 002 Device 001: ID 1d6b:0001 Linux Foundation 1.1 root hub
Bus 001 Device 001: ID 1d6b:0001 Linux Foundation 1.1 root hub
3) sudo fdisk /dev/sdb
[EMAIL PROTECTED]:~]$ sudo fdisk /dev/sdb
(11-09 14:04)
The number of cylinders for this disk is set to 15744.
There is nothing wrong with that, but this is larger than 1024,
and could in certain setups cause problems with:
1) software that runs at boot time (e.g., old versions of LILO)
2) booting and partitioning software from other OSs
(e.g., DOS FDISK, OS/2 FDISK)
Command (m for help): p
Disk /dev/sdb: 4127 MB, 4127195136 bytes
16 heads, 32 sectors/track, 15744 cylinders
Units = cylinders of 512 * 512 = 262144 bytes
Disk identifier: 0x00000000
Device Boot Start End Blocks Id System
/dev/sdb1 1 15744 4030448 b W95 FAT32
My system configuration:
1) Intel Core 2 Duo CPU
2) 4GB RAM
3) Intel X300 video card
4) Ubuntu Intrepid 8.10 AMD64 (fully updated as of 9th Nov 2008; same behavior
observed before and after updates)
Other observations:
1) The same behaviour is displayed in Kubuntu Intrepid 8.10 so I don't think
it's Gnome / KDE specific
--
[intrepid] Unable to mount USB memory devices
https://bugs.launchpad.net/bugs/251781
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